O Listen again and complete the conversation. 23
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Students Okay. Doctor. What 1 ?
Doctor. He has 2
and feels light-headed. He
has lost weight and suffers from diarrhea and nausea.
Student: That 3 .
Is there anything else?
Doctor: He's lately had a strong craving for salty foods.
Student: That's interesting. Hmm ... based on those symptoms, my 4
that Mr. Stone has
Addison's disease.
Doctor: Well done. And what is the 5 this
disease?
Student: It is a rare endocrine system disorder. It occurs when the
adrenal glands don't produce 6 . ​

Student: Okay. Doctor. What is the problem?
Doctor: He has several symptoms. First, he feels light-headed. Second, he has lost weight and suffers from diarrhea and nausea.
Student: That sounds serious. Is there anything else?
Doctor: Yes, he has also mentioned having a strong craving for salty foods lately.
Student: That's interesting. Hmm... based on those symptoms, my hypothesis is that Mr. Stone has Addison's disease.
Doctor: Well done. And what is the explanation for this disease?
Student: Addison's disease is a rare endocrine system disorder. It occurs when the adrenal glands don't produce enough hormones.